Solar flares on July 21, 2012
The most powerful solar flare in 24 hours
C1.4 (normal) flare - July 21 at 5:24 PM
Solar activity index
Value as of the end of the day on July 21, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 20, 2012 to July 21, 2012
Time zone — UTC-06 (Santa Fe) — summer time
List of solar flares for July 21, 2012
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 17:19 | 17:24 | 17:29 | 1526 |